Philips Trilogy 200 User Manual

Chapter 3 Modes, Features, and Alarms

For pressure modes, the alarm occurs when the delivered pressure 
exceeds the target patient pressure by 5 cmH

2

O or more during 

the inspiratory phase. The device will automatically cycle to 
the expiratory phase and continue to operate. The alarm will 
automatically terminate when the delivered pressure falls within 5 
cmH

2

O of the target patient pressure during the inspiratory phase.

 

This is a high priority alarm. It is detected differently for volume and 
pressure therapy modes. 

For volume modes, the alarm will sound if the measured patient 
pressure is less than the Low Inspiratory Pressure setting specified by 
the clinician. The alarm will automatically terminate when the peak 
pressure at the end of the breath is greater than or equal to the Low 
Inspiratory Pressure alarm setting.

For pressure modes, the alarm occurs when the delivered pressure 
is 5 cmH

2

O or more below the target patient pressure during the 

inspiratory phase. The alarm will automatically terminate when 
the delivered pressure comes within 5 cmH

2

O of the target patient 

pressure during the expiratory phase.

 

This alarm is a high priority alarm. It occurs when the patient’s 
minute ventilation is greater than the High Minute Ventilation alarm 
setting. The device continues to operate. The alarm will automatically 
terminate when the calculated minute ventilation is less than the 
High Minute Ventilation alarm setting. 

This alarm is a high priority alarm. It when the patient’s minute 
ventilation is less than the Low Minute Ventilation alarm setting. The 
device continues to operate. The alarm will automatically terminate 
when the calculated minute ventilation is greater than the Low 
Minute Ventilation alarm setting.